Lamp



FIG. 1 is a side view of a lamp, showing my new design, the other sides being the same;

FIG. 2 is a front perspective view thereof;

FIG. 3 is another front perspective view thereof, from a different angle than FIGS. 1 and 2;

FIG. 4 shows interior details of the lamp, from a perspective looking from the base towards the top;

FIG. 5 is an additional view depicting interior details of the lamp; and,

FIG. 6 is another view depicting interior details of the lamp.

The broken line disclosure represents portions of the lamp which form no part of the claimed design. 

CLAIM The ornamental design for a lamp, as shown and described. 